JP2003327093A - Recycling device for car wash wastewater - Google Patents
Recycling device for car wash wastewaterInfo
- Publication number
- JP2003327093A JP2003327093A JP2002139525A JP2002139525A JP2003327093A JP 2003327093 A JP2003327093 A JP 2003327093A JP 2002139525 A JP2002139525 A JP 2002139525A JP 2002139525 A JP2002139525 A JP 2002139525A JP 2003327093 A JP2003327093 A JP 2003327093A
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- Japan
- Prior art keywords
- water
- car wash
- treatment
- primary
- supply line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車の洗浄で生じ
た、ワックス、油、界面活性剤及び土砂等を含む排水を
処理し、洗車用水として再利用するための洗車排水リサ
イクル処理装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car wash wastewater recycling treatment apparatus for treating wastewater containing wax, oil, surfactant, earth and sand, etc., generated during car washing and reusing it as car wash water.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】水資源
の有効利用への関心の高まりと共に、大量に水道水を消
費する洗車場などの洗浄水（１台当たり１５０Ｌ以上必
要）に対する節水の要望と、その一方で排水をそのまま
垂れ流すことに対する水質汚染への懸念が大きくなって
いる。特に洗車場で生じる排水には、土砂と共にワック
ス等の油分だけでなく、界面活性剤が含まれている。界
面活性剤は自然分解されにくいために、河川、湖沼の環
境汚染に繋がる。そこで、洗車排水を処理し、処理水を
洗車用水として再利用することで、上記課題を解決しよ
うとする試みがなされている。2. Description of the Related Art With increasing interest in effective use of water resources, there is a desire to save water for washing water (150 L or more is required per car) in a car wash that consumes a large amount of tap water. On the other hand, there is a growing concern about water pollution when the wastewater is discharged as it is. In particular, wastewater generated in a car wash contains not only oil such as wax but also surfactant in addition to earth and sand. Since surfactants are not easily decomposed naturally, they lead to environmental pollution of rivers and lakes. Therefore, an attempt has been made to solve the above problems by treating car wash wastewater and reusing the treated water as car wash water.
【０００３】従来の洗車排水の処理及び再利用に際して
は、図４に示すように、活性炭や分離膜等の所要数の処
理手段（例えばＡ〜Ｘ処理部）を組み合わせた水処理部
で得られた処理水を、一旦処理液タンクに貯水した後、
洗浄水と仕上げ水として別々に供給している。ガソリン
スタンド等で汎用されている洗車機には、通常、界面活
性剤を含むカーシャンプーが添加される洗浄水ライン
と、界面活性剤を拭き取る仕上げ水ラインとの２つの水
ラインが備えられているため、前記のとおり、別々に供
給されることになる。このような洗車機では、カーシャ
ンプーが添加される洗浄水自体は清浄なものである必要
はないので、界面活性剤が混在した処理水を使用しても
よく、一方、界面活性剤を拭き取る仕上げ水は、界面活
性剤が除去された、より清浄なものが必要となる。In the conventional treatment and reuse of car wash wastewater, as shown in FIG. 4, it is obtained in a water treatment section in which a required number of treatment means (for example, AX treatment sections) such as activated carbon and a separation membrane are combined. Once the treated water is stored in the treatment liquid tank,
Separately supplied as wash water and finish water. Car wash machines commonly used at gas stations etc. are usually equipped with two water lines: a wash water line to which a car shampoo containing a surfactant is added and a finish water line to wipe off the surfactant. Therefore, as described above, they are supplied separately. In such a car wash machine, the washing water to which the car shampoo is added does not need to be clean, so treated water mixed with a surfactant may be used. The water needs to be cleaner with the surfactant removed.
【０００４】しかし、従来では、図４に示すように、洗
浄水と仕上げ水の両方で同じ処理水を使用しているた
め、処理水の清浄度を仕上げ水として満足できる程度に
まで高める必要がある。このため、水処理部に対する負
荷が大きくなるので、水処理部で使用する活性炭や分離
膜の交換頻度が高くなり、維持管理が煩雑となるほか、
設備コストや運転コストを引き上げる要因にもなってい
る。However, conventionally, as shown in FIG. 4, since the same treated water is used for both the wash water and the finishing water, it is necessary to raise the cleanliness of the treated water to such an extent that it can be satisfied as the finishing water. is there. For this reason, the load on the water treatment section becomes large, so the frequency of replacement of the activated carbon and the separation membrane used in the water treatment section becomes high, and maintenance becomes complicated.
It is also a factor that raises equipment costs and operating costs.
【０００５】本発明は、各種洗車場等で生じる油分及び
界面活性剤を含有する洗車排水を処理し、洗浄水として
再利用できる処理水を得るだけでなく、水処理に使用す
る各種処理手段の容量や交換頻度、洗車に使用する界面
活性剤量が低減できる、洗車排水リサイクル処理装置を
提供することを課題とする。The present invention not only obtains treated water that can be reused as washing water by treating the car wash wastewater containing oil and surfactants generated in various car washes, but also provides various treatment means for water treatment. An object of the present invention is to provide a car wash wastewater recycling treatment device which can reduce the capacity, the frequency of replacement, and the amount of surfactant used for car washing.
【０００６】[0006]
【課題を解決するための手段】本発明者は、上記課題を
解決するため、装置の運転及び維持管理が容易であるこ
と、長期間安定した処理能力が得られること、運転及び
維持管理コストが低いこと等の各課題を、洗車機の２種
類の水ラインに対し、異なる清浄度の処理水を別々に供
給することで解決できることを見出し、本発明を完成し
たものである。In order to solve the above-mentioned problems, the present inventor has found that the operation and maintenance of the device are easy, the stable processing capacity for a long period of time is obtained, and the operation and maintenance cost is low. The inventors have found that problems such as lowness can be solved by separately supplying treated water of different cleanliness to two types of water lines of a car wash machine, and completed the present invention.
【０００７】本発明は、上記課題の解決手段として、洗
車排水を処理し、処理水を洗車用水として洗車機に供給
するための洗車排水リサイクル処理装置であり、洗車排
水の処理手段として、一次処理部と、前記一次処理部に
おいて得られた処理水を更に処理する高度処理部とを有
し、処理水を洗車用水として洗車機に供給する手段とし
て、洗車機のカーシャンプーが添加される洗浄水ライン
に接続される供給ライン（Ａ）と、洗車機の洗浄後の仕
上げ水ラインに接続される供給ライン（Ｂ）とを有して
おり、一次処理部で処理された一次処理水を供給ライン
（Ａ）から洗浄機の洗浄水ラインに供給し、高度処理部
で処理された高度処理水を供給ライン（Ｂ）から洗浄機
の仕上げ水ラインに供給する洗車排水リサイクル処理装
置を提供する。The present invention is, as a means for solving the above-mentioned problems, a car wash drainage recycling apparatus for treating car wash drainage and supplying the treated water as car wash water to a car wash machine. Part and a high-level treatment part for further treating the treated water obtained in the primary treatment part, as a means for supplying the treated water to the car wash as car wash water, wash water to which a car shampoo of the car wash is added It has a supply line (A) connected to the line and a supply line (B) connected to the finish water line after washing of the car wash machine, and supplies the primary treated water treated in the primary treatment unit to the supply line. Provided is a car wash wastewater recycling treatment apparatus which supplies the washing water line of the washing machine from (A) and supplies the highly-treated water treated in the advanced treatment section from the supply line (B) to the finishing water line of the washing machine.
【０００８】このように供給ライン（Ａ）、（Ｂ）の２
つの経路から、清浄度の異なる処理水を洗車機に供給で
きるようにすることにより、洗車機に対して洗車に適し
た処理水を供給できる。この装置では、高度処理部にお
ける負荷が軽減され、処理手段の交換寿命が延長される
ため、交換頻度が低下する。更に、一次処理水中にはカ
ーシャンプー（界面活性剤）が残留しているため、洗車
機の洗浄水に新たに添加するカーシャンプーの量を減少
させることができる。In this way, the two of the supply lines (A) and (B)
By making it possible to supply the treated water having different cleanliness to the car washing machine from one of the two routes, the treated water suitable for car washing can be supplied to the car washing machine. In this device, the load on the advanced processing unit is reduced and the replacement life of the processing means is extended, so that the replacement frequency is reduced. Further, since car shampoo (surfactant) remains in the primary treated water, the amount of car shampoo newly added to the wash water of the car wash machine can be reduced.
【０００９】一次処理部の処理手段としては、凝集沈殿
処理、膜分離処理又はそれらの組み合わせからなるもの
を適用することができ、膜分離処理で用いる膜として
は、精密ろ過膜又は限外濾過膜が好ましい。As the treatment means of the primary treatment section, it is possible to apply a coagulation-sedimentation treatment, a membrane separation treatment or a combination thereof, and the membrane used in the membrane separation treatment is a microfiltration membrane or an ultrafiltration membrane. Is preferred.
【００１０】高度処理部の処理手段としては、活性炭処
理、逆浸透膜処理又はそれらの組み合わせからなるもの
を適用することができる。As the treatment means of the advanced treatment section, one comprising activated carbon treatment, reverse osmosis membrane treatment or a combination thereof can be applied.
【００１１】[0011]
【発明の実施の形態】以下、図面により、本発明の実施
の形態を説明する。図１は、本発明の洗車排水リサイク
ル処理装置を説明するための概念図、図２は、本発明の
洗車排水リサイクル処理装置の他の実施形態を説明する
ための概念図、図３は、図１及び図２で示される処理装
置をより具体的に説明するための概念図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual diagram for explaining a car wash wastewater recycling treatment device of the present invention, FIG. 2 is a conceptual diagram for explaining another embodiment of a car wash wastewater recycling treatment device of the present invention, and FIG. It is a conceptual diagram for demonstrating the processing apparatus shown by 1 and FIG. 2 more concretely.
【００１２】まず、図１の形態について説明する。図１
に示すとおり、Ａ処理部、Ｂ処理部……Ｘ処理部までの
所要数の処理手段が配置されており、洗車排水は、Ａ処
理部で処理された後、順次後続の各処理部で処理され
る。図１の形態では、Ａ処理部とＢ処理部とが一次処理
部となり、Ｂ処理部より後の処理部からＸ処理部までが
高度処理部となる。なお、Ｂ処理部からＸ処理部までは
１又は２以上の処理部を設けることができる。First, the configuration of FIG. 1 will be described. Figure 1
As shown in, the required number of treatment means up to the A treatment section, B treatment section ... X treatment section are arranged, and the car wash wastewater is treated in the A treatment section and then in each subsequent treatment section. To be done. In the configuration of FIG. 1, the A processing unit and the B processing unit are primary processing units, and the processing units after the B processing unit to the X processing unit are advanced processing units. It should be noted that one or more processing units can be provided from the B processing unit to the X processing unit.
【００１３】一次処理部では、処理手段として凝集沈殿
処理、膜分離処理又はこれらの組み合わせ等を適用する
ことができ、膜分離処理で用いる膜は、精密ろ過膜又は
限外濾過膜が好ましい。In the primary treatment section, coagulation-sedimentation treatment, membrane separation treatment or a combination thereof can be applied as treatment means, and the membrane used in the membrane separation treatment is preferably a microfiltration membrane or an ultrafiltration membrane.
【００１４】高度処理部では、一次処理水のＣＯＤ濃度
を低減化できること、特に界面活性剤を除去できること
が望ましく、処理手段として活性炭処理、逆浸透膜処理
又はこれらの組み合わせ等を適用することができる。高
度処理部は、配置場所を変えて、２以上を設けることが
できる。In the advanced treatment section, it is desirable that the COD concentration of the primary treated water can be reduced, especially the surfactant can be removed, and activated carbon treatment, reverse osmosis membrane treatment or a combination thereof can be applied as a treatment means. . Two or more high-level processing units can be provided by changing the location.
【００１５】Ｂ処理部と洗車機の洗浄水ラインとは供給
ライン（Ａ）で接続されており、高度処理部を経た処理
液は処理液タンクに貯水され、処理液タンクと洗車機の
仕上げ水ラインとは供給ライン（Ｂ）で接続されてい
る。The treatment unit B and the washing water line of the car washing machine are connected by the supply line (A), and the treatment liquid that has passed through the advanced treatment unit is stored in the treatment liquid tank, and the treatment liquid tank and the finish water of the car washing machine. The line is connected by a supply line (B).
【００１６】以上のとおり、図１の形態では、カーシャ
ンプーが残存する一次処理水が、供給ライン（Ａ）によ
り、Ｂ処理部から洗車機の洗浄水ラインに供給され、処
理液タンクの高度処理水が、供給ライン（Ｂ）により、
洗車機の仕上げ水ラインに供給される。As described above, in the embodiment of FIG. 1, the primary treated water in which the car shampoo remains is supplied from the treatment section B to the washing water line of the car wash machine by the supply line (A), and the advanced treatment of the treatment liquid tank is performed. Water is supplied by the supply line (B)
It is supplied to the finishing water line of car wash machines.
【００１７】次に、図２の形態について説明する。図２
に示すとおり、一次処理部は凝集沈殿処理部と膜分離処
理部からなっており、一次処理部で処理された一次処理
水は処理液タンクに貯水される。処理液タンクの下流側
には高度処理部が配置され、一次処理水を処理する。一
次処理水が貯水された処理液タンクと洗車機の洗浄水ラ
インとは供給ライン（Ａ）で接続されており、高度処理
部と洗車機の仕上げ水ラインとは供給ライン（Ｂ）で接
続されている。Next, the configuration of FIG. 2 will be described. Figure 2
As shown in, the primary treatment section is composed of a coagulation-sedimentation treatment section and a membrane separation treatment section, and the primary treated water treated in the primary treatment section is stored in a treatment liquid tank. An advanced treatment unit is arranged downstream of the treatment liquid tank to treat the primary treated water. The treatment liquid tank in which the primary treated water is stored and the washing water line of the car wash are connected by the supply line (A), and the advanced treatment section and the finishing water line of the car wash are connected by the supply line (B). ing.
【００１８】なお、図２の形態では、高度処理部の下流
側に処理液タンクを配置して、一旦高度処理水を処理液
タンクに貯水した後、供給ライン（Ｂ）に供給する形態
のほか、一次処理部と処理液タンクの間に高度処理部を
配置すると共に処理液タンク内を仕切り壁等で２槽に分
離しておき、一方の槽（第１の槽）に一次処理水を貯水
し、他方の槽（第２の槽）に高度処理水を貯水し、第１
の槽と供給ライン（Ａ）を接続し、第２の槽と供給ライ
ン（Ｂ）を接続する形態にしてもよい。高度処理部は、
配置場所を変えて、２以上を設けることができる。In addition, in the configuration of FIG. 2, a treatment liquid tank is arranged on the downstream side of the advanced treatment section to temporarily store the advanced treatment water in the treatment liquid tank and then to supply it to the supply line (B). , An advanced treatment unit is placed between the primary treatment unit and the treatment liquid tank, and the inside of the treatment liquid tank is divided into two tanks by a partition wall or the like, and one treatment tank (first tank) stores the primary treatment water. Then, the highly treated water is stored in the other tank (second tank),
The tank may be connected to the supply line (A) and the second tank may be connected to the supply line (B). The advanced processing unit
Two or more can be provided by changing the arrangement location.
【００１９】以上のとおり、図２の形態では、カーシャ
ンプーが残存する一次処理水が、供給ライン（Ａ）によ
り、処理液タンクから洗車機の洗浄水ラインに供給さ
れ、高度処理部で得られた高度処理水が、供給ライン
（Ｂ）により、洗車機の仕上げ水ラインに供給される。As described above, in the embodiment shown in FIG. 2, the primary treated water in which the car shampoo remains is supplied from the treatment liquid tank to the washing water line of the car washer by the supply line (A) and obtained in the advanced treatment section. The advanced treated water is supplied to the finishing water line of the car wash machine by the supply line (B).
【００２０】次に、図３により、本発明の処理装置のよ
り具体的な実施形態について説明する。図３の処理装置
は、凝集沈殿処理部２、膜分離部３からなる一次処理部
と、活性炭処理（又は逆浸透膜処理）による高度処理部
４とを備えており、更に処理水を貯水するための貯水部
（貯水タンク）を備えており、これらがパイプ等で連結
されているものであるが、図３に示すような又は図３に
示されていない排水の処理をするのに必要な構成を含ん
でいてもよい。図３中、Ｐはポンプ、Ｐ１〜Ｐ４は圧力
計、Ｆ１〜Ｆ２は流量計、ＭＶは流量調整バルブを示
し、開閉弁は全て同じ表示である。なお、図３は、各構
成部、各構成部の連結状態、排水の処理フローを示すも
のであり、各構成部の配置状態や装置全体の大きさを示
すものではない。Next, referring to FIG. 3, a more specific embodiment of the processing apparatus of the present invention will be described. The treatment apparatus of FIG. 3 includes a primary treatment unit including a coagulation-sedimentation treatment unit 2 and a membrane separation unit 3, and an advanced treatment unit 4 by activated carbon treatment (or reverse osmosis membrane treatment), and further stores treated water. It is equipped with a water storage part (water storage tank) for these, and these are connected by a pipe or the like, but it is necessary for treating wastewater as shown in FIG. 3 or not shown in FIG. The configuration may be included. In FIG. 3, P is a pump, P1 to P4 are pressure gauges, F1 to F2 are flow meters, MV is a flow rate adjusting valve, and the open / close valves are all the same display. It should be noted that FIG. 3 shows each constituent part, a connection state of each constituent part, and a wastewater treatment flow, and does not show an arrangement state of each constituent part and a size of the entire apparatus.
【００２１】洗車場等で生じた油分及び界面活性剤を含
む排水は、通常は、排水ピットを経て洗車場等に設置さ
れている油水分離槽２０に貯水される。油水分離槽２０
には、雨水、施設の床面清掃時の洗剤や油混じりの排水
等も合わせて回収されることもある。油水分離槽２０
は、図示するような計４槽の沈殿槽からなり、砂利のよ
うな大きな粒子の懸濁質（ＳＳ）から順に沈殿させてい
き、最終沈殿槽の排水をポンプにより汲み上げて、原水
貯水タンク１に送って貯水する。これが処理用の原水
（洗車排水）となる。Wastewater containing oil and a surfactant generated in a car wash or the like is usually stored in an oil / water separation tank 20 installed in the car wash or the like through a drain pit. Oil water separation tank 20
In some cases, rainwater, drainage containing detergent and oil when cleaning the floor of the facility, etc. may also be collected. Oil water separation tank 20
Is composed of a total of 4 settling tanks as shown in the figure, which are sequentially settled from a suspended particle (SS) of large particles such as gravel, and the drainage of the final settling tank is pumped up to form a raw water storage tank 1 Send to and store water. This becomes the raw water for processing (car wash drainage).
【００２２】次に、原水貯水タンク１の原水を凝集沈殿
処理部２に送る。このとき、油水分離槽２０から直接凝
集沈殿処理部２に洗車排水を送ってもよいし、量が少な
く、砂、泥等も少ないような洗車排水であれば、油水分
離槽２０を使用せずに、洗車排水を直接凝集沈殿処理部
２に送ってもよい。Next, the raw water in the raw water storage tank 1 is sent to the coagulating sedimentation processing section 2. At this time, the car-washing wastewater may be sent directly from the oil-water separation tank 20 to the coagulation-sedimentation treatment section 2, or if the car-washing wastewater has a small amount and less sand, mud, etc., the oil-water separation tank 20 is not used. Alternatively, the car wash drainage may be sent directly to the coagulation sedimentation processing unit 2.
【００２３】凝集沈殿処理部２では、原水に凝集剤を添
加して、油分、界面活性剤、泥等のＳＳの一部を凝集沈
降処理させ、次の膜分離部３における負荷を軽減すると
共に、ポンプ、バルブ、連結パイプ等が目詰まりするこ
とも防止する。In the coagulation-sedimentation unit 2, a coagulant is added to the raw water so that a part of SS such as oil, surfactant and mud is coagulated-sedimented to reduce the load on the next membrane separation unit 3. It also prevents clogging of pumps, valves, connecting pipes, etc.
【００２４】凝集沈殿処理部２は、図示するように、第
１仕切り壁２７、第２仕切り壁２８により、第１槽２
４、第２槽２５、第３槽２６の３つの槽に分離されてい
る。そして、第１槽２４内に、薬液タンク２２から所要
量の凝集剤を、ポンプを作動させて添加して凝集沈降処
理し、第１槽２４から第１仕切り壁２７を越えて溢れた
上澄み液を第２槽２５に流入させ、同様にして第２仕切
り壁２８を越えて溢れさせた上澄み液を第３槽２６に流
入させる。２１は第１槽２４内をかき混ぜるための攪拌
機である。凝集沈殿部２の各槽に溜まった沈殿物は、各
開閉弁を操作して適宜底部から抜き出す。As shown in the figure, the coagulation-sedimentation treatment section 2 includes a first partition wall 27 and a second partition wall 28, and the first tank 2
4, the second tank 25, and the third tank 26 are separated. Then, in the first tank 24, a required amount of a coagulant is added from the chemical liquid tank 22 by operating a pump to perform coagulation sedimentation processing, and the supernatant liquid overflowing from the first tank 24 over the first partition wall 27. Is poured into the second tank 25, and similarly, the supernatant liquid overflowing over the second partition wall 28 is poured into the third tank 26. Reference numeral 21 is a stirrer for stirring the inside of the first tank 24. The sediment accumulated in each tank of the coagulation sedimentation unit 2 is appropriately withdrawn from the bottom by operating each on-off valve.
【００２５】次に、凝集沈殿処理部２の第３槽２６内の
処理水を膜分離処理部３に送り、固液分離する。膜分離
処理部３における処理は、内圧型クロスフロー濾過方式
で、膜間差圧は一定に保っている。膜間差圧を一定にす
ることで、膜間差圧が変動する一定流量（フラックス）
運転に比べて、膜のファウリングが抑制できる利点があ
る。膜間差圧を一定にするには、モジュール入口手前に
設置したバルブや、循環ポンプ流量を調整する方法によ
ればよい。膜面線速は０．１ｍ／ｓ以下が望ましく、膜
間差圧は５〜３０ｋＰａ、好ましくは５〜２５ｋＰａの
範囲から選択する。Next, the treated water in the third tank 26 of the coagulation-sedimentation treatment unit 2 is sent to the membrane separation treatment unit 3 for solid-liquid separation. The processing in the membrane separation processing unit 3 is an internal pressure type cross flow filtration method, and the transmembrane pressure difference is kept constant. A constant flow rate (flux) that varies the transmembrane pressure by making the transmembrane pressure constant
There is an advantage that the fouling of the membrane can be suppressed as compared with the operation. To make the transmembrane pressure difference constant, a valve installed in front of the module inlet or a method of adjusting the circulation pump flow rate may be used. The film surface linear velocity is preferably 0.1 m / s or less, and the transmembrane pressure difference is selected from the range of 5 to 30 kPa, preferably 5 to 25 kPa.
【００２６】次に、膜分離処理部３で処理した一次処理
水は、そのまま処理液タンク６に貯水される。処理液タ
ンク６の一次処理水の一部は貯水タンク５ｂに貯水さ
れ、供給ライン（Ｂ）から洗車機のカーシャンプーが添
加される洗浄水ラインに供給される。残りの一次処理水
は、高度処理部４に送り、活性炭処理又は逆浸透膜処理
して残存する界面活性剤を除去した後、高度処理水とし
て貯水タンク５ａに貯水され、供給ライン（Ａ）から洗
車機の仕上げ水ラインに供給する。なお、図示する高度
処理部４に替えて又は図示する高度処理部４とは別に、
貯水タンク５ａと供給ライン（Ａ）間又は供給ライン
（Ａ）の途中に高度処理部を設けてもよい。Next, the primary treated water treated in the membrane separation treatment section 3 is stored in the treated liquid tank 6 as it is. Part of the primary treated water of the treatment liquid tank 6 is stored in the water storage tank 5b, and is supplied from the supply line (B) to the cleaning water line to which the car shampoo of the car washer is added. The remaining primary treated water is sent to the advanced treatment section 4 and treated with activated carbon or reverse osmosis membrane to remove the remaining surfactant, and then stored in the water storage tank 5a as advanced treated water, and supplied from the supply line (A). Supply to the finishing water line of car wash machine. It should be noted that, instead of the altitude processing unit 4 shown, or separately from the altitude processing unit 4 shown,
An advanced processing unit may be provided between the water storage tank 5a and the supply line (A) or in the middle of the supply line (A).
【００２７】このように、一次処理水の一部を活性炭処
理等の高度処理により界面活性剤を完全に除去して洗車
機の仕上げ水ラインへ供給し、残りは高度処理せずに洗
車機のカーシャンプーが添加される洗浄水ラインへ供給
することで、高度処理部の負荷を軽減させることができ
る。また、洗車機で使用するカーシャンプーの節減にも
なる。As described above, a portion of the primary treated water is completely removed of the surfactant by advanced treatment such as activated carbon treatment and supplied to the finishing water line of the car wash machine, and the rest is subjected to the advanced treatment of the car wash machine without advanced treatment. By supplying the washing water line to which the car shampoo is added, it is possible to reduce the load on the advanced processing section. It also saves car shampoo used in car wash machines.
【００２８】本発明の処理装置では、油分及び界面活性
剤を含有する排水は、凝集沈殿処理部２、膜分離処理部
３の順に処理されるが、この処理を継続して行った場
合、膜分離処理部３の膜面に汚れが付着して、固液分離
性能が低下することがある。このため、適当間隔で逆圧
洗浄することにより、固液分離性能を安定した状態に保
持することが望ましい。In the treatment apparatus of the present invention, the wastewater containing the oil and the surfactant is treated in the order of the coagulation sedimentation treatment section 2 and the membrane separation treatment section 3. If this treatment is continuously carried out, the membrane is treated. The membrane surface of the separation processing unit 3 may be contaminated and the solid-liquid separation performance may be deteriorated. Therefore, it is desirable to maintain the solid-liquid separation performance in a stable state by backwashing at appropriate intervals.
【００２９】逆圧洗浄は、膜分離処理部３の透過液側か
ら原液側に、処理液タンク６内の処理水を圧入させる方
法が適用できる。逆圧洗浄の間隔は、１５〜６０分が好
ましく、２０〜４５分がより好ましい。逆圧洗浄時の流
量は、２〜２０ｍ／ｄａｙが好ましく、５〜１５ｍ／ｄ
ａｙがより好ましい。For the back pressure washing, a method of press-fitting the treated water in the treated liquid tank 6 from the permeated liquid side of the membrane separation treatment unit 3 to the raw liquid side can be applied. The interval of back pressure washing is preferably 15 to 60 minutes, more preferably 20 to 45 minutes. The flow rate at the time of back pressure washing is preferably 2 to 20 m / day, 5 to 15 m / d
ay is more preferable.
【００３０】また逆圧洗浄に際しては、洗浄効果を高め
るため、薬液タンク３０から次亜塩素酸ナトリウム水溶
液等の薬液を、ポンプを作動させることで洗浄水に添加
して、薬液洗浄することができる。薬液の添加量は、次
亜塩素酸ナトリウムを用いる場合、逆洗後の残留塩素濃
度が１〜１００ｍｇ／Ｌの範囲になるようにすることが
好ましい。Further, in back pressure cleaning, in order to enhance the cleaning effect, a chemical solution such as an aqueous solution of sodium hypochlorite from the chemical solution tank 30 can be added to the cleaning water by operating a pump for chemical cleaning. . When sodium hypochlorite is used, the amount of the chemical solution added is preferably such that the residual chlorine concentration after backwashing is in the range of 1 to 100 mg / L.
【００３１】本発明の処理装置は、排水の流入量に応じ
て処理量を自動制御できるように設定したり、円滑な洗
車作業ができるように、洗車作業時の水の使用量等に応
じて貯水タンク５ｂの一次処理水と貯水タンク５ａの高
度処理水を自動供給できるように設定することもでき
る。The treatment apparatus of the present invention is set so that the treatment amount can be automatically controlled according to the inflow amount of wastewater, and the smoothness of the car washing work can be controlled by the amount of water used during the car washing work. The primary treated water in the water storage tank 5b and the advanced treated water in the water storage tank 5a can be set to be automatically supplied.
【００３２】凝集沈澱処理部２で用いる凝集剤は特に限
定されないが、有機化合物と無機化合物の混合凝集剤が
油分の高度除去の観点から望ましく、アルギン酸塩及び
／又はカチオン系高分子凝集剤を含む有機凝集剤と、イ
オン性鉱物及び／又は硫酸アルミニウムを含む無機凝集
剤との組み合わせからなり、有機凝集剤としてアルギン
酸塩及びカチオン系高分子凝集剤を含み、無機凝集剤と
してイオン性鉱物及び硫酸アルミニウムを含むものが好
ましい。The aggregating agent used in the aggregating and precipitating unit 2 is not particularly limited, but a mixed aggregating agent of an organic compound and an inorganic compound is desirable from the viewpoint of high oil removal, and contains an alginate and / or a cationic polymer aggregating agent. Composed of a combination of an organic flocculant and an inorganic flocculant containing an ionic mineral and / or aluminum sulfate, containing an alginate and a cationic polymer flocculant as an organic flocculant, and an ionic mineral and aluminum sulfate as an inorganic flocculant. Those containing are preferred.
【００３３】有機凝集剤と無機凝集剤の含有割合は、有
機凝集剤が２〜２０質量％、好ましくは４〜１４重量
％、より好ましくは５〜１３質量％であり、無機凝集剤
が９８〜２０質量％、好ましくは９６〜８６質量％、よ
り好ましくは９５〜８７質量％である。The content ratio of the organic coagulant to the inorganic coagulant is 2 to 20% by mass, preferably 4 to 14% by mass, more preferably 5 to 13% by mass, and the inorganic coagulant is 98 to 98% by mass. It is 20% by mass, preferably 96 to 86% by mass, more preferably 95 to 87% by mass.
【００３４】有機凝集剤として使用するアルギン酸塩は
アルギン酸ナトリウムが好ましく、カチオン系高分子凝
集剤はポリアミン類、ポリジシアンジアミド類、カチオ
ン化デンプン、カチオン性ポリ（メタ）アクリルアミ
ド、水溶性アニリン樹脂、ポリチオ尿素、ポリエチレン
イミン、第４級アンモニウム塩類、ポリビニルピリジン
類、キトサン等を挙げることができ、これらの中でもカ
チオン化デンプン、カチオン化ポリ（メタ）アクリルア
ミド又はこれらの混合物が好ましい。The alginate used as the organic coagulant is preferably sodium alginate, and the cationic polymer coagulant is a polyamine, polydicyandiamide, cationized starch, cationic poly (meth) acrylamide, water-soluble aniline resin, polythiourea. , Polyethyleneimine, quaternary ammonium salts, polyvinyl pyridines, chitosan and the like, among which cationized starch, cationized poly (meth) acrylamide or a mixture thereof is preferable.
【００３５】有機凝集剤としてアルギン酸塩とカチオン
系高分子凝集剤を含むとき、それらの含有割合（アルギ
ン酸塩／カチオン系高分子凝集剤で示される質量比）は
１：２〜２：１であることが好ましく、２：３〜３：２
であることがより好ましい。When an alginate and a cationic polymer flocculant are contained as the organic flocculant, their content ratio (the mass ratio represented by alginate / cationic polymer flocculant) is 1: 2 to 2: 1. Preferably, it is 2: 3 to 3: 2.
Is more preferable.
【００３６】無機凝集剤として使用するイオン性鉱物と
しては、モンモリロナイト、カオリン等の粘土鉱物やゼ
オライト等を挙げることができ、これらの中でも、安価
でかつ吸着面積が大きく、エマルジョン化された油分を
吸着しやすいモンモリロナイトが好ましい。Examples of the ionic minerals used as the inorganic coagulant include clay minerals such as montmorillonite and kaolin, zeolites and the like. Among these, they are inexpensive and have a large adsorption area and adsorb the emulsified oil component. Montmorillonite, which is easy to do, is preferable.
【００３７】無機凝集剤としてイオン性鉱物と硫酸アル
ミニウムを含むとき、それらの含有割合（イオン性鉱物
／硫酸アルミニウムで示される質量比）は１：２〜２：
１であることが好ましく、２：３〜３：２であることが
より好ましい。When the ionic mineral and aluminum sulfate are contained as the inorganic coagulant, the content ratio thereof (the ionic mineral / aluminum sulfate mass ratio) is 1: 2 to 2:
It is preferably 1, and more preferably 2: 3 to 3: 2.
【００３８】有機凝集剤としては、上記以外にも（メ
タ）アクリル酸や（メタ）アクリルアミド等の親水性単
量体を共重合させたアクリル系共重合体等、カルボキシ
メチルセルロースのナトリウム塩、マレイン酸共重合
体、ポリ（メタ）アクリルアミド、リグニンスルホン酸
ナトリウム、カ成デンプン、ポリオキシエチレンジプロ
ピルアミン、ポリオキシエチレンラウリルエーテル、ポ
リオキシエチレンオクチルフェニルエーテルなどの界面
活性剤、（メタ）アクリル酸とアクリルアミドとの共重
合体等のアニオン又はノニオン系の高分子凝集剤、両性
高分子凝集剤、プロピレンジアミン等の低分子アミン凝
集剤等を含有させることができる。As the organic coagulant, in addition to the above, an acrylic copolymer obtained by copolymerizing a hydrophilic monomer such as (meth) acrylic acid or (meth) acrylamide, sodium salt of carboxymethyl cellulose, maleic acid, etc. With copolymers, poly (meth) acrylamide, sodium lignin sulfonate, caustic starch, polyoxyethylene dipropylamine, polyoxyethylene lauryl ether, polyoxyethylene octylphenyl ether, and other surfactants, (meth) acrylic acid An anionic or nonionic polymer coagulant such as a copolymer with acrylamide, an amphoteric polymer coagulant, a low molecular amine coagulant such as propylenediamine, and the like can be contained.
【００３９】無機凝集剤としては、上記以外にもポリ塩
化アルミニウム、塩化マグネシウム、塩化第二鉄、硫酸
第一鉄、硫酸第二鉄、消石灰、珪酸ナトリウム、アルミ
ン酸ナトリウム、アルミニウムミョウバン類等を含有さ
せることができる。As the inorganic coagulant, in addition to the above, polyaluminum chloride, magnesium chloride, ferric chloride, ferrous sulfate, ferric sulfate, slaked lime, sodium silicate, sodium aluminate, aluminum alum and the like are contained. Can be made.
【００４０】本発明で用いる凝集剤として、アルギン酸
ナトリウム、カチオン系高分子凝集剤と、モンモリロナ
イト、硫酸アルミニウムとの有機及び無機凝集剤の組み
合わせからなるものを使用したとき、水処理能力が向上
する。When the coagulant used in the present invention is a combination of sodium alginate, a cationic polymer coagulant, and organic and inorganic coagulants of montmorillonite and aluminum sulfate, the water treatment capacity is improved.
【００４１】膜分離処理部３で用いる膜は特に限定され
ないが、処理量が大きい精密ろ過膜や限外濾過膜が望ま
しい。これらの膜材質としては、特に限定されないが、
処理量が大きい親水性膜素材が、なかでも酢酸セルロー
ス、ポリアクリロニトリル、ポリビニルアルコール、ま
た親水処理を施した疎水性高分子、例えば親水性ポリス
ルホン、親水性ポリエーテルスルホン、親水性ポリフッ
化ビニリデン、親水性ポリエチレンが望ましく、酢酸セ
ルロースが最も望ましい。The membrane used in the membrane separation treatment section 3 is not particularly limited, but a microfiltration membrane or an ultrafiltration membrane having a large treatment amount is desirable. The material of these films is not particularly limited,
Hydrophilic membrane materials with a large amount of treatment are, among others, cellulose acetate, polyacrylonitrile, polyvinyl alcohol, and hydrophilic polymers subjected to hydrophilic treatment, such as hydrophilic polysulfone, hydrophilic polyether sulfone, hydrophilic polyvinylidene fluoride, hydrophilic. Is preferred, and cellulose acetate is most preferred.
【００４２】膜モジュールの形状は特に限定されない
が、中空糸膜、チューブラー膜、袋状平膜などが望まし
く、中空糸膜モジュールが望ましい。The shape of the membrane module is not particularly limited, but a hollow fiber membrane, a tubular membrane, a bag-shaped flat membrane and the like are desirable, and a hollow fiber membrane module is desirable.
【００４３】高度処理部４で用いる処理手段は、少なく
とも界面活性剤が除去できるものであれば特に限定され
ないが、コスト面、設備面、操作性から、活性炭等によ
る吸着除去方法や逆浸透膜による除去方法が望ましい。The treatment means used in the advanced treatment section 4 is not particularly limited as long as it can remove at least the surfactant, but in terms of cost, equipment and operability, the adsorption removal method using activated carbon or a reverse osmosis membrane is used. A removal method is desirable.
【００４４】本発明の処理装置は、処理現場の実状に応
じて、家庭用の洗濯機や冷蔵庫程度の大きさから、更に
大きなものまで適宜大きさを調節することができ、車に
積んで移動できるようにすることもできる。The processing apparatus of the present invention can be appropriately sized according to the actual conditions of the processing site, from the size of a washing machine or a refrigerator for home use to a larger size, and it can be loaded into a car and moved. You can also allow it.
【００４５】[0045]
【実施例】以下に、実施例に基づいて本発明をより詳細
に説明するが、本発明はこれらの実施例によって限定さ
れるものではない。The present invention will be described in more detail based on the following examples, but the invention is not intended to be limited by these examples.
【００４６】（１）処理装置の詳細
図３に示す排水処理装置を用いた。各部の詳細は下記の
とおり。
（凝集沈殿処理部）攪拌槽、沈殿槽、膜原水貯留槽の３
槽からなり、容量は合計で１ｍ３である。攪拌槽は薬液
タンクと連結され、攪拌機が設置されている。凝集剤
は、モンモリロナイト４５質量％、硫酸アルミニウム４
５質量％、アルギン酸ナトリウム５質量％およびカチオ
ン系ポリアクリルアミド５質量％を含有する凝集剤を用
いた。投入量は１００ｍｇ／Lである。
（膜分離処理部）酢酸セルロース中空糸膜モジュール
（膜面積１６ｍ２、分画分子量：１５万）を用いて膜間
差圧は１５ｋＰａに維持した。
（高度処理部）活性炭（ＣＷ１３０Ａ、二村化学工業
（株）製）を充填したカラム、又は逆浸透膜（ＳＷ０
８、ダイセンメンブレンシステムズ（株）製）を搭載し
た装置を用いた。(1) Details of treatment equipment The wastewater treatment equipment shown in FIG. 3 was used. Details of each part are as follows. (Coagulation sedimentation treatment part) 3 of stirring tank, sedimentation tank, raw membrane water storage tank
It consists of a tank and has a total capacity of 1 m 3 . The stirring tank is connected to the chemical solution tank and a stirrer is installed. Flocculant is 45% by weight of montmorillonite, aluminum sulfate 4
A flocculant containing 5% by mass, 5% by mass of sodium alginate and 5% by mass of cationic polyacrylamide was used. The input amount is 100 mg / L. (Membrane separation part) The transmembrane pressure difference was maintained at 15 kPa using a cellulose acetate hollow fiber membrane module (membrane area 16 m 2 , cutoff molecular weight: 150,000). (Advanced treatment section) A column packed with activated carbon (CW130A, manufactured by Nimura Chemical Co., Ltd.) or a reverse osmosis membrane (SW0).
8. A device equipped with Daisen Membrane Systems Co., Ltd. was used.
【００４７】（２）ＣＯＤ測定方法
運転開始直後と半年後に、高度処理後の高度処理水中の
ＣＯＤを、ＨＡＣＨ製の水質分析計により測定した。(2) COD measurement method The COD in the highly treated water after the advanced treatment was measured immediately after the start of operation and half a year later by a water quality analyzer manufactured by HACH.
【００４８】実施例１〜３
いずれも洗車排水を集液した油水分離槽２０の最終槽の
排水を原水（ＣＯＤ１００〜２００ｍｇ／Ｌ）とし、処
理液タンク６中の処理液（膜分離処理後の処理液中のＣ
ＯＤ濃度は１０〜２０ｍｇ／Ｌであった。）のうち、７
０％量は貯水タンク５ｂを経て、供給ライン（Ａ）から
洗車機の洗浄水ラインに供給し、残りの３０％量は高度
処理部４で処理した後、貯水タンク５ａを経て、供給ラ
イン（Ｂ）から洗車機の仕上げ水ラインに供給した。実
施例１〜３では、同じ一次処理をして一次処理水を得た
後、実施例１、２では一次処理水を活性炭処理し、実施
例３では一次処理水を逆浸透膜処理した。高度処理水
（仕上げ水として供給）中のＣＯＤ濃度の変化を表１に
示す。In each of Examples 1 to 3, the wastewater of the final tank of the oil-water separation tank 20 in which the carwash wastewater was collected was used as raw water (COD 100 to 200 mg / L), and the treatment liquid in the treatment liquid tank 6 (after the membrane separation treatment was used). C in the processing liquid
The OD concentration was 10 to 20 mg / L. ) Out of 7
The 0% amount is supplied from the supply line (A) to the washing water line of the car wash machine through the water storage tank 5b, and the remaining 30% amount is processed by the advanced treatment unit 4 and then passed through the water storage tank 5a and then the supply line ( It was supplied from B) to the finishing water line of the car wash machine. In Examples 1 to 3, after performing the same primary treatment to obtain primary treated water, in Examples 1 and 2, the treated primary water was treated with activated carbon, and in Example 3, the treated primary water was subjected to reverse osmosis membrane treatment. Table 1 shows changes in the COD concentration in the highly treated water (supplied as finish water).
【００４９】比較例１、２
実施例１〜３と同様に一次処理した後、比較例１では一
次処理水の全てを活性炭処理し、比較例２では一次処理
水の全てを逆浸透膜処理した処理水を、洗車機の洗浄水
ラインと仕上げ水ラインに供給した。高度処理水（洗浄
水と仕上げ水として供給）中のＣＯＤ濃度の変化を表１
に示す。Comparative Examples 1 and 2 After primary treatment in the same manner as in Examples 1 to 3, in Comparative Example 1, all of the primary treated water was treated with activated carbon, and in Comparative Example 2, all of the primary treated water was subjected to reverse osmosis membrane treatment. The treated water was supplied to the washing water line and the finishing water line of the car wash machine. Table 1 shows the changes in COD concentration in highly treated water (supplied as wash water and finish water).
Shown in.
【００５０】[0050]
【表１】 [Table 1]
【００５１】実施例１〜３では、ＣＯＤ濃度の高い膜分
離処理水（１０〜２０ｍｇ／Ｌ）の３０％量のみを高度
処理しているため、活性炭の吸着能力や逆浸透膜の分離
能力の低下が小さく、運転初期と運転から半年経過後の
ＣＯＤの変化は小さかった。In Examples 1 to 3, since only 30% of the membrane-separated water (10 to 20 mg / L) having a high COD concentration was highly treated, the adsorption capacity of activated carbon and the separation capacity of the reverse osmosis membrane were improved. The decrease was small, and the change in COD at the beginning of operation and after half a year from operation was small.
【００５２】一方、比較例１では、ＣＯＤ濃度の高い膜
処理水（１０〜２０ｍｇ／Ｌ）の全てを活性炭処理して
いるため、活性炭の吸着能力の低下が大きくなった結
果、運転から半年経過後のＣＯＤ濃度は６倍にまで上昇
した。また、比較例２では、運転初期と運転から半年経
過後のＣＯＤの変化は小さかったが、実施例３の３倍も
の膜面積を有する逆浸透膜を使用しているので、初期の
設備コスト及び維持コストが多大となる。On the other hand, in Comparative Example 1, since all of the membrane-treated water having a high COD concentration (10 to 20 mg / L) was treated with activated carbon, a large decrease in the adsorption capacity of activated carbon resulted in half a year from the operation. The subsequent COD concentration increased to 6 times. Further, in Comparative Example 2, the change in COD was small at the beginning of operation and after half a year from operation, but since the reverse osmosis membrane having a membrane area three times as large as that of Example 3 was used, the initial equipment cost and The maintenance cost is large.
【００５３】[0053]
【発明の効果】本発明の洗車排水リサイクル処理装置に
よれば、高度処理部への負荷が軽減されるので、設備コ
スト及び運転コストが低くできるほか、洗車排水を洗車
用水として有効に再利用することができる。EFFECTS OF THE INVENTION According to the car wash wastewater recycling treatment apparatus of the present invention, since the load on the advanced treatment section is reduced, the equipment cost and operating cost can be reduced, and the carwash wastewater is effectively reused as car wash water. be able to.
【図１】 本発明の処理装置の概念図。FIG. 1 is a conceptual diagram of a processing apparatus of the present invention.
【図２】 本発明の処理装置の他実施形態の概念図。FIG. 2 is a conceptual diagram of another embodiment of the processing apparatus of the present invention.
【図３】 本発明の処理装置の他実施形態の概念図。FIG. 3 is a conceptual diagram of another embodiment of the processing apparatus of the present invention.
【図４】 従来の処理装置の概念図。FIG. 4 is a conceptual diagram of a conventional processing device.
１ 原水貯水タンク ２ 凝集沈殿処理部 ３ 膜分離処理部 ４ 高度処理部 ５ａ、５ｂ 貯水タンク 1 Raw water storage tank 2 Aggregation and sedimentation processing section 3 Membrane separation processing unit 4 Advanced processing section 5a, 5b Water storage tank
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ０２Ｆ 1/52 Ｃ０２Ｆ 1/52 Ｋ 9/00 ５０２ 9/00 ５０２Ｆ ５０２Ｇ ５０２Ｈ ５０２Ｐ ５０３ ５０３Ｃ ５０３Ｇ ５０４ ５０４Ｂ ５０４Ｅ Ｆターム(参考） 3D026 AA14 AA17 4D006 GA03 GA06 GA07 HA01 HA21 HA41 KA02 KA12 KA72 KB12 KB13 KC03 KC16 KD24 KE06Q MA01 MA02 MA03 MC18 MC22 MC29 MC33 MC39 MC62 MC85 PA01 PB08 4D015 BA11 BA19 BA23 BB12 CA06 CA07 CA10 DA05 DA32 DA35 DB02 DB24 DB32 DB33 DC07 EA32 FA01 FA02 FA12 FA17 FA22 4D024 AA04 AB02 BA02 BC01 CA01 DB05 DB12 DB21 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 7 Identification code FI theme code (reference) C02F 1/52 C02F 1/52 K 9/00 502 9/00 502F 502G 502H 502P 503 503C 503G 504 504B 504E F Term (reference) 3D026 AA14 AA17 4D006 GA03 GA06 GA07 HA01 HA21 HA41 KA02 KA12 KA72 KB12 KB13 KC03 KC16 KD24 KE06Q MA01 MA02 MA03 MC18 MC22 MC29 MC33 MC39 MC62 MC85 PA01 PDB08 CA07 DB32 DB32 CA03 CA07 DC07 EA32 FA01 FA02 FA12 FA17 FA22 4D024 AA04 AB02 BA02 BC01 CA01 DB05 DB12 DB21
Claims (9)
して洗車機に供給するための洗車排水リサイクル処理装
置であり、 洗車排水の処理手段として、一次処理部と、前記一次処
理部において得られた処理水を更に処理する高度処理部
とを有し、処理水を洗車用水として洗車機に供給する手
段として、洗車機のカーシャンプーが添加される洗浄水
ラインに接続される供給ライン（Ａ）と、洗車機の洗浄
後の仕上げ水ラインに接続される供給ライン（Ｂ）とを
有しており、 一次処理部で処理された一次処理水を供給ライン（Ａ）
から洗浄機の洗浄水ラインに供給し、高度処理部で処理
された高度処理水を供給ライン（Ｂ）から洗浄機の仕上
げ水ラインに供給する洗車排水リサイクル処理装置。1. A car wash wastewater recycling treatment device for treating car wash wastewater and supplying the treated water as car wash water to a car wash machine. The car wash wastewater treatment means comprises a primary treatment section and a primary treatment section. A supply line (A) connected to a wash water line to which car shampoo of the car wash is added, as a means for supplying the treated water to the car wash as car wash water. ) And a supply line (B) connected to the finish water line after washing of the car wash machine, and the primary treated water treated in the primary treatment section is supplied to the supply line (A).
A car wash wastewater recycling treatment equipment that supplies the cleaning water line from the washing machine to the finishing water line of the washing machine from the supply line (B).
度処理水を貯水する第２貯水部とを有し、第１貯水部と
第２貯水部とが分離されている請求項１記載の洗車排水
リサイクル処理装置。2. A first water storage section for storing the primary treated water and a second water storage section for storing the advanced treated water, wherein the first water storage section and the second water storage section are separated. Car wash wastewater recycling treatment equipment described.
１貯水部と洗車機の洗浄水ラインとを接続し、供給ライ
ン（Ｂ）が、高度処理部又は第２貯水部と洗車機の仕上
げ水ラインとを接続するものである請求項１又は２記載
の洗車排水リサイクル処理装置。3. The supply line (A) connects the primary treatment section or the first water storage section to the washing water line of the car wash machine, and the supply line (B) connects the advanced treatment section or the second water storage section to the car wash machine. 3. The car wash wastewater recycling treatment device according to claim 1 or 2, which is connected to the finishing water line.
は膜分離処理部である請求項１〜３のいずれか１記載の
洗車排水リサイクル処理装置。4. The car wash wastewater recycling treatment apparatus according to claim 1, wherein the primary treatment section is a coagulation sedimentation treatment section and / or a membrane separation treatment section.
又は限外濾過膜である請求項４記載の洗車排水リサイク
ル処理装置。5. The car wash wastewater recycling treatment apparatus according to claim 4, wherein the membrane used in the membrane separation treatment section is a microfiltration membrane or an ultrafiltration membrane.
側又は供給ライン（Ｂ）の途中に設けられ、一次処理水
を処理するものである請求項１〜５のいずれか１記載の
洗車排水リサイクル処理装置。6. The advanced treatment unit is provided upstream of the supply line (B) or in the middle of the supply line (B) and treats the primary treated water, according to any one of claims 1 to 5. Car wash wastewater recycling equipment.
を低減するものである請求項１〜６のいずれか１記載の
洗車排水リサイクル処理装置。7. The car wash wastewater recycling treatment apparatus according to claim 1, wherein the advanced treatment unit reduces the COD concentration of the primary treated water.
活性剤の除去機能を有するものである請求項１〜７のい
ずれか１記載の洗車排水リサイクル処理装置。8. The car wash wastewater recycling treatment apparatus according to claim 1, wherein the advanced treatment unit has a function of removing a surfactant contained in the carwash wastewater.
逆浸透膜処理部である請求項１〜８のいずれか１記載の
洗車排水リサイクル処理装置。9. The car wash wastewater recycling treatment apparatus according to claim 1, wherein the advanced treatment unit is an activated carbon treatment unit and / or a reverse osmosis membrane treatment unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002139525A JP2003327093A (en) | 2002-05-15 | 2002-05-15 | Recycling device for car wash wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002139525A JP2003327093A (en) | 2002-05-15 | 2002-05-15 | Recycling device for car wash wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003327093A true JP2003327093A (en) | 2003-11-19 |
Family
ID=29700642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002139525A Withdrawn JP2003327093A (en) | 2002-05-15 | 2002-05-15 | Recycling device for car wash wastewater |
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| Country | Link |
|---|---|
| JP (1) | JP2003327093A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006116488A (en) * | 2004-10-25 | 2006-05-11 | Daicel Chem Ind Ltd | Apparatus for treating waste water of car wash |
| JP2006167604A (en) * | 2004-12-16 | 2006-06-29 | Daicel Chem Ind Ltd | Water treatment apparatus and water treatment method |
| CN104436841A (en) * | 2014-11-18 | 2015-03-25 | 沈杰 | Water filtration circulating equipment in common car washing store and automatic car washing system |
| CN114604205A (en) * | 2022-03-17 | 2022-06-10 | 中国能源建设集团广东省电力设计研究院有限公司 | Automatic cleaning and sewage treatment system of garbage transport vehicle |
-
2002
- 2002-05-15 JP JP2002139525A patent/JP2003327093A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006116488A (en) * | 2004-10-25 | 2006-05-11 | Daicel Chem Ind Ltd | Apparatus for treating waste water of car wash |
| JP2006167604A (en) * | 2004-12-16 | 2006-06-29 | Daicel Chem Ind Ltd | Water treatment apparatus and water treatment method |
| CN104436841A (en) * | 2014-11-18 | 2015-03-25 | 沈杰 | Water filtration circulating equipment in common car washing store and automatic car washing system |
| CN114604205A (en) * | 2022-03-17 | 2022-06-10 | 中国能源建设集团广东省电力设计研究院有限公司 | Automatic cleaning and sewage treatment system of garbage transport vehicle |
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